Compare Conestoga, flatbed, and step deck trailers — dimensions, load types, rate differences, pros and cons, and which is the best fit for your trucking operation.
return ( Three Flatbed Trailer Types Compared Choosing the right trailer type is one of the most important decisions for a flatbed owner-operator.
Each type — standard flatbed, step deck (also called drop deck), and Conestoga — has distinct advantages, limitations, and ideal use cases.
The right choice depends on what commodities you want to haul, where you operate, and whether you want to maximize versatility or target specific higher-paying freight.
Standard Flatbed Dimensions Length: 48 or 53 feet (48 feet is the industry standard) Width: 8 feet, 6 inches (102 inches) between the rub rails Deck height: Approximately 60 inches (5 feet) from the ground Max freight height: Approximately 8 feet, 6 inches above the deck (to stay under 13 feet 6 inches overall) Typical payload capacity: 48,000 lbs (varies by tractor weight and trailer weight) What It Hauls The standard flatbed is the most versatile open-deck trailer.
Common loads include: Lumber and building materials Steel (coils, beams, plate, pipe, rebar) Machinery and equipment Concrete products (blocks, pipe, precast) Palletized goods that are too tall or awkward for a van Military and government equipment Oversize loads (with permits) Pros Most available freight — the largest number of flatbed loads on load boards are for standard flatbeds Can be loaded from the top, sides, or rear Lightest trailer weight, maximizing payload capacity Simplest and cheapest to maintain Easiest to find, rent, or purchase Cons Height limitation — loads taller than about 8 feet 6 inches above the deck need a step deck or permits Requires tarping for weather-sensitive cargo (time, effort, and physical risk) No protection for cargo — exposed to elements during transit Step Deck (Drop Deck) Dimensions Length: 48 or 53 feet total (upper deck approximately 11 feet, lower deck approximately 37 feet on a 48-footer) Width: 8 feet, 6 inches Upper deck height: Approximately 60 inches (same as a flatbed) Lower deck height: Approximately 36-42 inches from the ground Max freight height on lower deck: Approximately 10 feet (to stay under 13 feet 6 inches overall) Typical payload capacity: 43,000-47,000 lbs (slightly less than a flatbed due to heavier trailer weight) What It Hauls Step decks are designed for loads that are too tall for a standard flatbed but do not require a lowboy.
Common loads: Tall machinery and equipment (forklifts, generators, compressors) Construction equipment (skid steers, mini excavators) Vehicles and heavy equipment Tall industrial components Anything a flatbed can haul, plus taller items on the lower deck Pros Extra height on the lower deck — haul loads up to 10 feet tall without an oversize permit Can haul everything a standard flatbed hauls, plus tall freight Higher rates for tall loads — fewer step decks available means less competition Can use ramps for drive-on, drive-off loading of equipment Cons Heavier trailer — reduces payload capacity by 1,000-5,000 lbs compared to a standard flatbed More exp.
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